/*
XPTracker - Alternative Agile Tracking Tool
Copyright (C) 2006-2009  Stephen Starkey

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/
package org.xptracker.web.tags;

import com.google.inject.Inject;
import org.xptracker.domain.Domain;
import org.xptracker.domain.Story;
import org.xptracker.domain.StoryPointMapping;
import org.xptracker.util.TimeUtil;

import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.BodyTagSupport;
import java.util.Collection;

public class WithStoryTotalsTag extends BodyTagSupport {
  @Inject
  private static Domain domain;

  private Collection<Story> stories;

  public Collection<Story> getStories() {
    return stories;
  }

  public void setStories(Collection<Story> stories) {
    this.stories = stories;
  }

  public int doStartTag() throws JspException {
    long totalSize = 0L;
    double totalEstimate = 0.0;
    double totalRemaining = 0.0;

    StoryPointMapping mapping = domain.loadPointMapping(true);
    //noinspection unchecked
    for(Story story: stories) {
      totalSize += mapping.getMap().get(story.getSize().toString());
      totalEstimate += story.getEstimate();
      double remaining = story.getEstimate() - TimeUtil.fromMillis(story.getTotalEffort(), "hours");
      totalRemaining += remaining;
    }

    pageContext.setAttribute("totalSize", totalSize);
    pageContext.setAttribute("totalEstimate", totalEstimate);
    pageContext.setAttribute("totalRemaining", totalRemaining);

    return EVAL_BODY_INCLUDE;
  }
}
